Example usage for java.net URLConnection getOutputStream

Introduction

In this page you can find the example usage for java.net URLConnection getOutputStream.

Prototype

public OutputStream getOutputStream() throws IOException 

Source Link

Document

Returns an output stream that writes to this connection.

Usage

From source file:jp.go.nict.langrid.serviceexecutor.google.GoogleTranslation.java

static void writeParameters(URLConnection c, Language sourceLang, Language targetLang, String... sources)
        throws IOException {
    StringBuilder b = new StringBuilder();
    b.append("langpair=").append(sourceLang.getCode()).append("|").append(targetLang.getCode());
    for (String s : sources) {
        b.append("&q=").append(URLEncoder.encode(s, "UTF-8"));
    }//  w  w w . j av  a 2  s .  c  o m
    c.addRequestProperty("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
    c.getOutputStream().write(b.toString().getBytes("UTF-8"));
}

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From source file:com.wareninja.opensource.common.wsrequest.HttpUtils.java

/**
 * Send an HTTP(s) request with POST parameters.
 * //from   w w  w  .  j a  va2  s .co m
 * @param parameters
 * @param url
 * @throws UnsupportedEncodingException
 * @throws IOException
 * @throws KeyManagementException
 * @throws NoSuchAlgorithmException
 */
public static void doPost(Map<?, ?> parameters, URL url)
        throws UnsupportedEncodingException, IOException, KeyManagementException, NoSuchAlgorithmException {

    URLConnection cnx = getConnection(url);

    // Construct data
    StringBuilder dataBfr = new StringBuilder();
    Iterator<?> iKeys = parameters.keySet().iterator();
    while (iKeys.hasNext()) {
        if (dataBfr.length() != 0) {
            dataBfr.append('&');
        }
        String key = (String) iKeys.next();
        dataBfr.append(URLEncoder.encode(key, "UTF-8")).append('=')
                .append(URLEncoder.encode((String) parameters.get(key), "UTF-8"));
    }
    // POST data
    cnx.setDoOutput(true);

    OutputStreamWriter wr = new OutputStreamWriter(cnx.getOutputStream());
    if (LOGGING.DEBUG)
        Log.d(LOG_TAG, "Posting crash report data");
    wr.write(dataBfr.toString());
    wr.flush();
    wr.close();

    if (LOGGING.DEBUG)
        Log.d(LOG_TAG, "Reading response");
    BufferedReader rd = new BufferedReader(new InputStreamReader(cnx.getInputStream()));

    String line;
    int linecount = 0;
    while ((line = rd.readLine()) != null) {
        linecount++;
        if (linecount <= 2) {
            if (LOGGING.DEBUG)
                Log.d(LOG_TAG, line);
        }
    }
    rd.close();
}

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From source file:com.beyondb.geocoding.BaiduAPI.java

public static Map<String, String> testPost(String x, String y) throws IOException {
    URL url = new URL("http://api.map.baidu.com/geocoder?" + ak + "="
            + "&callback=renderReverse&location=" + x + "," + y + "&output=json");
    URLConnection connection = url.openConnection();
    /**/*from  w  ww. j  ava2 s.  com*/
     * ??URLConnection?Web
     * URLConnection???Web???
     */
    connection.setDoOutput(true);
    OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream(), "utf-8");
    //        remember to clean up
    out.flush();
    out.close();
    //        ?????
    String res;
    InputStream l_urlStream;
    l_urlStream = connection.getInputStream();
    BufferedReader in = new BufferedReader(new InputStreamReader(l_urlStream, "UTF-8"));
    StringBuilder sb = new StringBuilder("");
    while ((res = in.readLine()) != null) {
        sb.append(res.trim());
    }
    String str = sb.toString();
    System.out.println(str);
    Map<String, String> map = null;
    if (StringUtils.isNotEmpty(str)) {
        int addStart = str.indexOf("formatted_address\":");
        int addEnd = str.indexOf("\",\"business");
        if (addStart > 0 && addEnd > 0) {
            String address = str.substring(addStart + 20, addEnd);
            map = new HashMap<String, String>();
            map.put("address", address);
            return map;
        }
    }

    return null;

}

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From source file:org.wso2.connector.integration.bloggerV3.ConnectorIntegrationUtil.java

public static JSONObject sendRequestWithAcceptHeader(String addUrl, String query)
        throws IOException, JSONException {

    String charset = "UTF-8";
    URLConnection connection = new URL(addUrl).openConnection();
    connection.setDoOutput(true);/*from   ww w. j a va  2 s  .c o  m*/
    connection.setRequestProperty("Accept-Charset", charset);
    connection.setRequestProperty("Accept", "application/json");
    connection.setRequestProperty("Content-Type", "application/json;charset=" + charset);
    OutputStream output = null;
    try {
        output = connection.getOutputStream();
        output.write(query.getBytes(charset));
    } finally {
        if (output != null) {
            try {
                output.close();
            } catch (IOException logOrIgnore) {
                log.error("Error while closing the connection");
            }
        }
    }

    HttpURLConnection httpConn = (HttpURLConnection) connection;
    InputStream response;

    if (httpConn.getResponseCode() >= 400) {
        response = httpConn.getErrorStream();
    } else {
        response = connection.getInputStream();
    }

    String out = "{}";
    if (response != null) {
        StringBuilder sb = new StringBuilder();
        byte[] bytes = new byte[1024];
        int len;
        while ((len = response.read(bytes)) != -1) {
            sb.append(new String(bytes, 0, len));
        }

        if (!sb.toString().trim().isEmpty()) {
            out = sb.toString();
        }
    }

    JSONObject jsonObject = new JSONObject(out);

    return jsonObject;
}

---

From source file:com.beyondb.geocoding.BaiduAPI.java

public static String getPointByAddress(String address, String city) throws IOException {
    String resultPoint = "";
    try {//from w w  w.  j a  v  a  2s.c  o  m
        URL url = new URL("http://api.map.baidu.com/geocoder/v2/?ak=" + ak + "&output=xml&address=" + address
                + "&" + city);

        URLConnection connection = url.openConnection();
        /**
         * ??URLConnection?Web
         * URLConnection???Web???
         */
        connection.setDoOutput(true);
        OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream(), "utf-8");
        //        remember to clean up
        out.flush();
        out.close();
        //        ?????

        String res;
        InputStream l_urlStream;
        l_urlStream = connection.getInputStream();
        if (l_urlStream != null) {
            BufferedReader in = new BufferedReader(new InputStreamReader(l_urlStream, "UTF-8"));
            StringBuilder sb = new StringBuilder("");
            while ((res = in.readLine()) != null) {
                sb.append(res.trim());
            }
            String str = sb.toString();
            System.out.println(str);
            Document doc = DocumentHelper.parseText(str); // XML
            Element rootElt = doc.getRootElement(); // ?
            //            System.out.println("" + rootElt.getName()); // ??
            Element resultElem = rootElt.element("result");
            if (resultElem.hasContent()) {
                Element locationElem = resultElem.element("location");
                Element latElem = locationElem.element("lat");
                //            System.out.print("lat:"+latElem.getTextTrim()+",");
                Element lngElem = locationElem.element("lng");
                //            System.out.println("lng:"+lngElem.getTextTrim());
                resultPoint = lngElem.getTextTrim() + "," + latElem.getTextTrim();
            } else {
                System.out.println("can't compute the coor");
                resultPoint = " , ";
            }
        } else {
            resultPoint = " , ";
        }

    } catch (DocumentException ex) {
        Logger.getLogger(BaiduAPI.class.getName()).log(Level.SEVERE, null, ex);
    }
    return resultPoint;
}

---

From source file:org.intermine.api.mines.FriendlyMineQueryRunner.java

/**
 * Run a query via the web service//from  w w w  .j a  va 2 s  .c  o  m
 *
 * @param urlString url to query
 * @return reader
 */
public static BufferedReader runWebServiceQuery(String urlString) {
    if (StringUtils.isEmpty(urlString)) {
        return null;
    }
    BufferedReader reader = null;
    try {
        if (!urlString.contains("?")) {
            // GET
            URL url = new URL(urlString);
            URLConnection conn = url.openConnection();
            conn.setConnectTimeout(CONNECT_TIMEOUT);
            reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            LOG.info("FriendlyMine URL (GET) " + urlString);
        } else {
            // POST
            String[] params = urlString.split("\\?");
            String newUrlString = params[0];
            String queryString = params[1];
            URL url = new URL(newUrlString);
            URLConnection conn = url.openConnection();
            conn.setDoOutput(true);
            OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
            wr.write(queryString);
            wr.flush();
            reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            LOG.info("FriendlyMine URL (POST) " + urlString);
        }
        return reader;
    } catch (Exception e) {
        LOG.info("Unable to access " + urlString + " exception: " + e.getMessage());
        return null;
    }
}

---

From source file:BihuHttpUtil.java

public static String doHttpPost(String xmlInfo, String URL) {
    System.out.println("??:" + xmlInfo);
    byte[] xmlData = xmlInfo.getBytes();
    InputStream instr = null;// w w  w. j a v a2s .c o m
    java.io.ByteArrayOutputStream out = null;
    try {
        URL url = new URL(URL);
        URLConnection urlCon = url.openConnection();
        urlCon.setDoOutput(true);
        urlCon.setDoInput(true);
        urlCon.setUseCaches(false);
        urlCon.setRequestProperty("Content-Type", "text/xml");
        urlCon.setRequestProperty("Content-length", String.valueOf(xmlData.length));
        System.out.println(String.valueOf(xmlData.length));
        DataOutputStream printout = new DataOutputStream(urlCon.getOutputStream());
        printout.write(xmlData);
        printout.flush();
        printout.close();
        instr = urlCon.getInputStream();
        byte[] bis = IOUtils.toByteArray(instr);
        String ResponseString = new String(bis, "UTF-8");
        if ((ResponseString == null) || ("".equals(ResponseString.trim()))) {
            System.out.println("");
        }
        System.out.println("?:" + ResponseString);
        return ResponseString;

    } catch (Exception e) {
        e.printStackTrace();
        return "0";
    } finally {
        try {
            out.close();
            instr.close();
        } catch (Exception ex) {
            return "0";
        }
    }
}

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From source file:org.motechproject.mmnaija.web.util.HTTPCommunicator.java

public static String doPost(String serviceUrl, String queryString) {
    URLConnection connection = null;
    try {/*from w w w.j  a  va 2 s .c  o m*/

        URL url = new URL(serviceUrl);
        URI uri = new URI(url.getProtocol(), url.getUserInfo(), url.getHost(), url.getPort(), url.getPath(),
                url.getQuery(), url.getRef());
        url = uri.toURL();
        // Open the connection
        connection = url.openConnection();
        connection.setDoInput(true);
        connection.setUseCaches(false); // Disable caching the document
        connection.setDoOutput(true); // Triggers POST.
        connection.setRequestProperty("Content-Type", "text/html");

        OutputStreamWriter writer = null;

        log.info("About to write");
        try {
            if (null != connection.getOutputStream()) {
                writer = new OutputStreamWriter(connection.getOutputStream());
                writer.write(queryString); // Write POST query

            } else {
                log.warn("connection Null");
            }
            // string.
        } catch (ConnectException ex) {
            log.warn("Exception : " + ex);
            // ex.printStackTrace();
        } finally {
            if (writer != null) {
                try {
                    writer.close();
                } catch (Exception lg) {
                    log.warn("Exception lg: " + lg.toString());
                    //lg.printStackTrace();
                }
            }
        }

        InputStream in = connection.getInputStream();

        //            StringWriter writer = new StringWriter();
        IOUtils.copy(in, writer, "utf-8");
        String theString = writer.toString();
        return theString;
    } catch (Exception e) {
        //e.printStackTrace();
        log.warn("Error URL " + e.toString());
        return "";
    }
}

---

From source file:com.moviejukebox.plugin.OpenSubtitlesPlugin.java

private static String sendRPC(String xml) throws IOException {

    StringBuilder str = new StringBuilder();
    String strona = OS_DB_SERVER;
    String logowanie = xml;/*from w  ww  . ja va 2 s  .co m*/
    URL url = new URL(strona);
    URLConnection connection = url.openConnection();
    connection.setRequestProperty("Connection", "Close");

    // connection.setRequestProperty("Accept","text/html");
    connection.setRequestProperty("Content-Type", "text/xml");
    connection.setDoOutput(Boolean.TRUE);

    connection.getOutputStream().write(logowanie.getBytes("UTF-8"));

    try (Scanner in = new Scanner(connection.getInputStream())) {
        while (in.hasNextLine()) {
            str.append(in.nextLine());
        }
    }

    ((HttpURLConnection) connection).disconnect();

    return str.toString();
}

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From source file:net.daboross.bukkitdev.skywars.gist.GistReport.java

public static String gistText(Logger logger, String text) {
    URL postUrl;/*from  w w  w .  j a v  a2s .  co  m*/
    try {
        postUrl = new URL("https://api.github.com/gists");
    } catch (MalformedURLException ex) {
        logger.log(Level.FINE, "Non severe error encoding api.github.com URL", ex);
        return null;
    }
    URLConnection connection;
    try {
        connection = postUrl.openConnection();
    } catch (IOException ex) {
        logger.log(Level.FINE, "Non severe error opening api.github.com connection", ex);
        return null;
    }
    connection.setDoOutput(true);
    connection.setDoInput(true);
    JSONStringer outputJson = new JSONStringer();
    try {
        outputJson.object().key("description").value("SkyWars debug").key("public").value("false").key("files")
                .object().key("report.md").object().key("content").value(text).endObject().endObject()
                .endObject();
    } catch (JSONException ex) {
        logger.log(Level.FINE, "Non severe error while writing report", ex);
        return null;
    }
    String jsonOuptutString = outputJson.toString();
    try (OutputStream outputStream = connection.getOutputStream()) {
        try (OutputStreamWriter requestWriter = new OutputStreamWriter(outputStream)) {
            requestWriter.append(jsonOuptutString);
            requestWriter.close();
        }
    } catch (IOException ex) {
        logger.log(Level.FINE, "Non severe error writing report", ex);
        return null;
    }

    JSONObject inputJson;
    try {
        inputJson = new JSONObject(readConnection(connection));
    } catch (JSONException | IOException unused) {
        logger.log(Level.FINE, "Non severe error while reading response for report.", unused);
        return null;
    }
    String resultUrl = inputJson.optString("html_url", null);
    return resultUrl == null ? null : shortenURL(logger, resultUrl);
}

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